package com.lagou.edu.service.impl;

import com.lagou.edu.annotation.CustomAutowired;
import com.lagou.edu.annotation.CustomService;
import com.lagou.edu.annotation.CustomTransactional;
import com.lagou.edu.dao.AccountDao;
import com.lagou.edu.pojo.Account;
import com.lagou.edu.service.TransferService;

@CustomService(value = "transferService")
@CustomTransactional
public class TransferServiceImpl implements TransferService {

    @CustomAutowired
    private AccountDao accountDao;

    /*public void setAccountDao(AccountDao accountDao) {
        this.accountDao = accountDao;
    }*/

    @Override
    public void transfer(String fromCardNo, String toCardNo, int money) throws Exception {
        Account from = accountDao.queryAccountByCardNo(fromCardNo);
        Account to = accountDao.queryAccountByCardNo(toCardNo);
        from.setMoney(from.getMoney() - money);
        to.setMoney(to.getMoney() + money);
        accountDao.updateAccountByCardNo(to);

        //模拟异常
        int c = 1/0;

        accountDao.updateAccountByCardNo(from);
    }
}
